Home / 86,770.82-130,205.24-40,023.70

Finding the Fourth Proportional to 86,770.82, 130,205.24 and 40,023.70

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Solution

The fourth proportional to 86,770.82, 130,205.24 and 40,023.70 is: 60,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,770.82 : 130,205.24 = 40,023.70 : x
  2. Step 2: Convert to fraction form
    86,770.82/130,205.24 = 40,023.70/x
  3. Step 3: Cross multiply
    86,770.82x = 130,205.24 × 40,023.70
  4. Step 4: Simplify right side
    86,770.82x = 5,211,295,464.19
  5. Step 5: Solve for x
    x = 5,211,295,464.19/86,770.82
  6. Step 6: Final answer
    x = 60,058.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.